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Titolo:
Survival analysis for success of Molteno tube implants
Autore:
Broadway, DC; Iester, M; Schulzer, M; Douglas, GR;
Indirizzi:
Univ British Columbia, Dept Ophthalmol, Vancouver, BC, Canada Univ BritishColumbia Vancouver BC Canada thalmol, Vancouver, BC, Canada
Titolo Testata:
BRITISH JOURNAL OF OPHTHALMOLOGY
fascicolo: 6, volume: 85, anno: 2001,
pagine: 689 - 695
SICI:
0007-1161(200106)85:6<689:SAFSOM>2.0.ZU;2-A
Fonte:
ISI
Lingua:
ENG
Soggetto:
ADJUNCTIVE MITOMYCIN-C; SINGLE-PLATE; COMPLICATED GLAUCOMAS; REFRACTORY GLAUCOMA; CLINICAL-EXPERIENCE; SURGERY;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Life Sciences
Citazioni:
28
Recensione:
Indirizzi per estratti:
Indirizzo: Broadway, DC Norfolk & Norwich Healthcare Trust, W Norwich Hosp, Dept Ophthalmol, Bowthorpe Rd, Norwich NR2 3TU, Norfolk, England Norfolk & Norwich Healthcare Trust Bowthorpe Rd Norwich Norfolk England NR2 3TU
Citazione:
D.C. Broadway et al., "Survival analysis for success of Molteno tube implants", BR J OPHTH, 85(6), 2001, pp. 689-695

Abstract

Aim-To apply survival analysis in assessing the long term outcome of Molteno tube implantation and to identify risk factors for failure. Methods-A retrospective, 10 year, consecutive case series study of 119 eyes that underwent implantation of a Molteno tube. The main outcome measures considered were intraocular pressure (IOP), visual acuity, and complications. Results-A 30% or greater reduction in IOP was achieved in 68.9% of cases. However, the overall, "complete success" rate (IOP <22 mm Hg with no medications) after a mean (SD) follow up period of 43 (33) months (range 6-120) was only 33.6% despite a fall in mean (SD) HOP from 38.2 (8.2) mm Hg to 20.1(11.0) mm Hg. The "qualified success" rate (IOP <22 mm Hg with or without medications) was 60.5%. Failure was most common in the first postoperative year but could occur after several years, the survival curve: having an exponential shape. The only statistically significant risk factor for failure identified was pseudophakia, although eyes with neovascular glaucoma tendedto fare poorly. Postoperative: IOP tended to be lower after double plate than after single plate implantation. There was no significant difference inoutcome based on age, sex, race, previous penetrating keratoplasty, or previous conjunctival surgery. Conclusions-In eyes at high risk of trabeculectomy failure, implantation of an aqueous shunt device should be considered. Pseudophakia should be considered an additional risk factor for failure. Early failure appeared relatively more common but long term follow up of all cases is recommended to ensure adequate management of late failures.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 30/11/20 alle ore 06:52:32